Mathematics - General MathematicsWe present a new sieve that allows us to find the prime numbers by using only regular patterns and, more importantly, avoiding any duplication of elements between them.doi:10.48550/arXiv.1101.3919Fabio GiraldoFranco...
试题来源: 解析 C 正确答案:C解析:The non-prime numbers between 40 and 50 are 42, 44, 45, 46, 48, and 49. (Remember, the non-inclusive means we don’t include the 40 and 50.) Add them all up and we get 274.反馈 收藏
and then become gapless at other sizes where the EE scaling is replaced by a logarithmic dependence on system size47. This indicates that the CNHSE can lead to an unusual scaling behavior of the EE. Consider for instance the OBCH2-chain(Eq.3) with parameters chosen to gap out the...
The Hofstadter model, well known for its fractal butterfly spectrum, describes two-dimensional electrons under a perpendicular magnetic field, which gives rise to the integer quantum Hall effect. Inspired by the real-space building blocks of non-Abelian
Closed quantum systems far from thermal equilibrium can show universal dynamics near attractor solutions, known as non-thermal fixed points, generically in the form of scaling behaviour in space and time. A systematic classification and comprehensive understanding of such scaling solutions are tasks of ...
gruberi(Naegleria) takes on two extremely different forms during its lifecycle: an amoeba that crawls using actin, and a flagellate that swims with two flagella (Fig.4). The rapid differentiation between these forms makes Naegleria a prime model for understanding both types of cell motility [52...
Primers used for 3′ and 5′ RACE were designed based on the known sequence information: 5′-TATATGCCAATCCCTTACATG-3′ (3′-prime specific); 5′- ACAGAAACATGTAAGGGATTGGC −3′ (5′-prime specific). RNA In Situ Hybridization Hybridization was performed using in vitro-transcribed ...
The snow leopard study sites (highlighted) - Shey Phoksundo National Park (SPNP) in the west and Kanchanjunga Conservation Area (KCA) in the east of Nepal. Annapurna Conservation Area, Rolwaling Himal and Sagarmatha National Park are also prime habitat for snow leopards. There are estimated ...
Given \({\mathrm{{PSM}}}(P,S)\) where P is a peptide with length n and S is a spectrum, MS-DPR estimates the probability that a random peptide, say \(P^{\prime}\), with length \(n\), has \({\mathrm{{SPCScore}}}(P^{\prime},S)\ge {\mathrm{{SPCScore}}}(P,S)\)....
is the one-body density, and \(w(| {{{\bf{r}}}-{{{\bf{r}}}^{{\prime} }| )\) the electron-electron interaction. The last term in Eq. (2) is the time-dependent exchange-correlation (xc) potential, vXC[n; Ψ0, Φ0](r, t): a functional of the density, the init...